Home / 13,636,613.21-18,818,925.92-7,442,058.20

Finding the Fourth Proportional to 13,636,613.21, 18,818,925.92 and 7,442,058.20

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Solution

The fourth proportional to 13,636,613.21, 18,818,925.92 and 7,442,058.20 is: 10,270,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,613.21 : 18,818,925.92 = 7,442,058.20 : x
  2. Step 2: Convert to fraction form
    13,636,613.21/18,818,925.92 = 7,442,058.20/x
  3. Step 3: Cross multiply
    13,636,613.21x = 18,818,925.92 × 7,442,058.20
  4. Step 4: Simplify right side
    13,636,613.21x = 140,051,541,826,823.62
  5. Step 5: Solve for x
    x = 140,051,541,826,823.62/13,636,613.21
  6. Step 6: Final answer
    x = 10,270,258.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.